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Date:   Sun, 19 Jul 2020 18:27:27 -0700 (PDT)
From:   David Miller <>
Subject: Re: do a single memdup_user in sctp_setsockopt v2

From: Christoph Hellwig <>
Date: Sun, 19 Jul 2020 09:21:37 +0200

> here is a resend of my series to lift the copy_from_user out of the
> individual sctp sockopt handlers into the main sctp_setsockopt
> routine.
> Changes since v1:
>  - fixes a few sizeof calls.
>  - use memzero_explicit in sctp_setsockopt_auth_key instead of special
>    casing it for a kzfree in the caller
>  - remove some minor cleanups from sctp_setsockopt_autoclose to keep
>    it closer to the existing version
>  - add another little only vaguely related cleanup patch

This is all very mechanical and contained to the sockopt code of SCTP,
so I reviewed this a few times and applied it to net-next.

Thanks Christoph!

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